期刊
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
卷 68, 期 4, 页码 3424-3435出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2019.2901275
关键词
Permanentmagnet synchronous motor; advanced angle field weakening control; back-to-back motor test bench; hardware-in-loop; real vehicle experiment
资金
- National Natural Science Foundation of China [51305473, 51705051]
- Chongqing Research Program of Basic Research and Frontier Technology [cstc2016jcyjA0582]
- Science and Technology Project Affiliated to the Education Department of Chongqing Municipality [KJ1600538]
- Chongqing Graduate Research Innovation Project [CYS18225]
The conventional field weakening algorithm is more dependent on parameters and computational complexity. Therefore, the concept of advanced angle beta is introduced, and the conversion of constant torque operation mode to field weakening operation mode is realized by increasing beta. In this paper, the conventional field weakening control and advanced angle field weakening are modeled and simulated showing results that the advanced angle field weakening control can make the motor switch smoothly between the constant torque operation mode and the field weakening mode. The dependence of the parameters of the motor is small and the algorithm is simpler. At the same time, the theory of field weakening control of permanent magnet synchronous motor is fused in the vehicle control and the controller is developed. The external characteristic curve of the motor is calibrated by setting up the back-to-back motor test bench. The function of the controller is verified by hardware-in-the-loop experiment. After vehicle verification, it is confirmed that the data can normally enter the field weakening zone to meet the torque response and high-efficiency range. Under the new European driving cycle (NEDC) operating conditions, the efficiency of the whole controller can reach 81.97%.
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